Annual report pursuant to Section 13 and 15(d)

Segment Information (Summary of Net Revenues and Adjusted EBITDA by Segment) (Details)

v3.20.4
Segment Information (Summary of Net Revenues and Adjusted EBITDA by Segment) (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Segment Reporting Information [Line Items]                      
Net Revenues $ 296 $ 337 $ 258 $ 410 $ 492 $ 560 $ 533 $ 468 $ 1,300 $ 2,053 $ 1,868
Adjusted EBITDA 56 101 63 107 153 190 159 111 327 613 507
Payments to Acquire Property, Plant, and Equipment                 33 50 73
Depreciation and amortization 24 24 25 25 28 26 27 29 98 109 99
Total assets 4,644       4,533       4,644 4,533 4,976
Hotel Franchising                      
Segment Reporting Information [Line Items]                      
Net Revenues 202 236 182 243 300 379 331 269      
Adjusted EBITDA 75 117 83 108 151 195 162 113      
Hotel Management                      
Segment Reporting Information [Line Items]                      
Net Revenues 94 101 76 167 190 180 201 197      
Adjusted EBITDA (1) 2 (4) 17 21 13 16 16      
Corporate and Other                      
Segment Reporting Information [Line Items]                      
Net Revenues 0 0 0 0 2 1 1 2 0 6 7
Adjusted EBITDA (18) $ (18) $ (16) $ (18) (19) $ (18) $ (19) $ (18) (69) (75) (55)
Payments to Acquire Property, Plant, and Equipment                 5 7 3
Depreciation and amortization                 10 11 6
Other Segments                      
Segment Reporting Information [Line Items]                      
Total assets 597       216       597 216 567
Reportable Segments | Hotel Franchising                      
Segment Reporting Information [Line Items]                      
Net Revenues                 863 1,279 1,135
Adjusted EBITDA                 383 622 515
Payments to Acquire Property, Plant, and Equipment                 24 35 43
Depreciation and amortization                 63 72 72
Total assets 3,629       3,817       3,629 3,817 3,829
Reportable Segments | Hotel Management                      
Segment Reporting Information [Line Items]                      
Net Revenues                 437 768 726
Adjusted EBITDA                 13 66 47
Payments to Acquire Property, Plant, and Equipment                 4 8 27
Depreciation and amortization                 25 26 21
Total assets $ 418       $ 500       418 500 580
Corporate and Other                      
Segment Reporting Information [Line Items]                      
Net Revenues                 $ 0 $ 6 $ 7